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    • 6. 发明授权
    • Method and apparatus for obtaining an efficiently running internal
combustion engine
    • 用于获得有效运行的内燃机的方法和装置
    • US4364265A
    • 1982-12-21
    • US314762
    • 1981-10-26
    • John Dickson
    • John Dickson
    • F02D41/14F02P5/145G01M15/00
    • F02D41/1406F02P5/1455Y02T10/46
    • A method of providing an efficiently running internal combustion engine including the steps of operating an engine at a constant rpm while increasing the torque load on the engine, measuring the torque value at predetermined intervals of the torque load to obtain a brake mean effective pressure for each of the intervals, and measuring the fuel consumption at the predetermined intervals. The common log of the brake mean effective pressure is plotted against the common log of the fuel consumption for each interval to obtain a straight line curve (10) which extends linearly with a constant first slope to a D-point coordinate (16) after which it continues at a different second slope. A straight line extension (20) is plotted having the first slope and extending upwardly from the D-point coordinate (16). The instant invention is characterized by controlling at least one of the fuel inputs to the engine and the spark timing so that the plot of the common log of the brake mean effective pressure against the common log of the value of the fuel consumption for the constant rpm falls on the straight line extension (20).The instant invention further provides an internal combustion engine assembly including an engine, a fuel input mechanism for supplying fuel to the engine, and a spark-generating mechanism for igniting the fuel within the engine. The assembly is characterized by a control mechanism for controlling at least one of the fuel input mechanisms and the timing of the spark-generating mechanism at predetermined values which result in the substantially straight line plot of the common log of the brake mean effective pressure against the common log of the fuel consumption of the assembly extending linearly with a constant slope at the operating rpm.
    • 一种提供有效运行的内燃机的方法,包括以增加发动机的转矩负荷以恒定转速操作发动机的步骤,以扭矩负荷的预定间隔测量转矩值,以获得每个转矩负载的制动平均有效压力 并且以预定间隔测量燃料消耗。 将制动器平均有效压力的公共对数相对于每个间隔的燃料消耗的公共对数绘制,以获得以恒定的第一斜率线性地延伸到D点坐标(16)的直线曲线(10),之后 它继续在不同的第二斜坡。 绘制了具有第一斜率并从D点坐标(16)向上延伸的直线延伸部(20)。 本发明的特征在于控制发动机的燃料输入和火花正时中的至少一个,使得制动器的公共对数的曲线图表示有效压力相对于恒定rpm的燃料消耗值的公共对数 落在直线延伸部(20)上。 本发明还提供了一种内燃机组件,其包括发动机,用于向发动机供应燃料的燃料输入机构和用于点燃发动机内的燃料的火花发生机构。 该组件的特征在于用于将燃料输入机构中的至少一个和火花发生机构的定时控制在预定值的控制机构,该预定值导致制动器的公用对数的基本直线图表示相对于 组件的燃料消耗的常见对数在运转转速下以恒定的斜率线性延伸。